The study of mathematics is like air or gravity – it’s everywhere, even if you don’t see it.
数学的研究就像空气或重力——它无处不在,即使你看不到它。
人类是极其多样化的。只从人的一个维度来看待他们,是一种狭隘和有限的心态。
To love is to suffer, but to suffer is also to love.
The problem with the world is that the intelligent people are full of doubts, while the stupid ones are full of confidence.